package com.atguigu.lease.web.admin.custom.converter;

import com.atguigu.lease.model.enums.BaseEnum;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;
import org.springframework.stereotype.Component;
/*
*  自定义的类型转换器: String 转成 BaseEnum
*    当前是一个工厂类
* */
@Component
public class StringToBaseEnumConverterFactory implements ConverterFactory<String, BaseEnum> {
    @Override
    public <T extends BaseEnum> Converter<String, T> getConverter(Class<T> targetType) {
        return new Converter<String, T>() {
            @Override
            public T convert(String source) {
                for (T enumConstant : targetType.getEnumConstants()) {
                     if(source.equals(String.valueOf(enumConstant.getCode()))){
                         return enumConstant;
                     }

                }
                return null;
            }
        };
    }
}
